ClassID:

71354

B63G8/22 - CPC Classification

Classification description:

Underwater vessels, e.g. submarines; Equipment specially adapted therefor; Control of attitude or depth Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks

Recent Application in this class:
#1
20260126809
2026-05-07

METHOD FOR EXTRICATING POOL CLEANING ROBOT FROM STUCK STATE AND THE CORRESPONDING POOL CLEANING ROBOT

#2
20260125140
2026-05-07

ENERGY EFFICIENT UNDERWATER INFLATABLE ARRAY USING HYDROFOAM AND WATER SWELLING MATERIAL

#3
20260103270
2026-04-16

Vectored Buoyancy Engine System

#4
20260091862
2026-04-02

DIFFERENTIAL BUOYANCY STEERING

#5
20260077843
2026-03-19

HYBRID AERIAL HYDRO DRONE

#6
20260049493
2026-02-19

CLEANING DEVICE

#7
20260028103
2026-01-29

Buoyancy Controlling Apparatus and Method

#8
20250369413
2025-12-04

SYSTEM FOR GENERATING ELECTRICITY FROM AN UNDERWATER OCEAN STREAM

#9
20250346332
2025-11-13

Variable Ballast System for Small Submersibles

#10
20250305313
2025-10-02

SWIMMING POOL ROBOT AND METHOD FOR CONTROLLING SWIMMING POOL ROBOT

#11
20250269945
2025-08-28

ROBOT

#12
20250232917
2025-07-17

INDUSTRIAL MACHINES USING BREAKDOWN IN LIQUID DIELECTRICS

#13
20250145263
2025-05-08

Method and Apparatus for Priming a Dynamic Buoyancy System for a Deep-Sea Mining Vehicle

#14
20250137431
2025-05-01

SUBMERSIBLE BOX-WINGED VEHICLE SYSTEMS AND METHODS FOR GENERATING HYDROELECTRIC ENERGY

#15
20250117008
2025-04-10

UNMANNED VEHICLE SYSTEM INCLUDING HOST VEHICLE AND GUEST VEHICLE

#16
20250116166
2025-04-10

UNTETHERED DOWNHOLE TOOLS

#17
20250116165
2025-04-10

Buoyancy Control of Robots Downhole

#18
20250116164
2025-04-10

DOWNHOLE ROBOT FOR OIL WELLS

#19
20250100661
2025-03-27

UNDERWATER WATERCRAFT

#20
20250042521
2025-02-06

SUBMERSIBLE VEHICLE WITH A FLOODABLE ACTUATOR VESSEL

#21
20240425161
2024-12-26

UNMANNED UNDERWATER VEHICLE HAVING MONOCOQUE BODY

#22
20240417049
2024-12-19

BIOMIMETIC TURTLE DEVICE

#23
20240317374
2024-09-26

SUBMERGED SAILING VESSEL

#24
20240294241
2024-09-05

UPRIGHTING DEVICE FOR AN UNDERWATER VEHICLE

#25
20240255947
2024-08-01

SYSTEMS AND METHODS FOR AUTONOMOUS SELECTION AND OPERATION OF COMBINATIONS OF STEALTH AND PERFORMANCE CAPABILITIES OF A MULTI-MODE UNMANNED VEHICLE

#26
20240246651
2024-07-25

A BLADDER SYSTEM FOR A SUBMERSIBLE

#27
20240239457
2024-07-18

AN UNDERWATER PROBE OR SUBMERSIBLE

#28
20240199182
2024-06-20

AUTONOMOUS SUBMERSIBLE SENSOR APPARATUS WITH PISTON DIVE CONTROL

#29
20240192395
2024-06-13

AUTONOMOUS DATA ACQUISITION SYSTEM AND METHOD

#30
20240166319
2024-05-23

Hydrogen Transport Apparatus

#31
20240083563
2024-03-14

Unmanned underwater vehicle having monocoque body

#32
20240076022
2024-03-07

WATERWAY SENSOR

#33
20240025525
2024-01-25

High-capacity lightweight variable buoyancy system

#34
20240010314
2024-01-11

Balanced Piston Pump for Subsea Use

#35
20230415870
2023-12-28

APPARATUS AND METHOD FOR DEPTH CONTROL OF SUBMERSIBLE VESSELS

#36
20230399085
2023-12-14

Semi-autonomous immersible waterborne dock enclosure

#37
20230391435
2023-12-07

Nose arrangement and method for deploying a nose arrangement of an underwater vehicle

#38
20230348033
2023-11-02

Unmanned sailing vehicle control system

#39
20230312069
2023-10-05

METHOD AND APPARATUS FOR A BUOYANCY VESSEL FOR DEEP-SEA MINING

#40
20230286629
2023-09-14

Underwater watercraft

#41
20230271687
2023-08-31

Submerged sailing vessel

#42
20230271686
2023-08-31

METHOD AND APPARATUS FOR A DYNAMIC BUOYANCY SYSTEM FOR DEEP-SEA MINING

#43
20230264795
2023-08-24

AIR WATER SUBMARINE

#44
20230228869
2023-07-20

FORWARD DEPLOYED SENSOR SYSTEM

#45
20230146152
2023-05-11

SYSTEMS, DEVICES, AND METHODS FOR UNDERWATER VEHICLES

#46
20230081946
2023-03-16

Systems and methods for autonomous selection and operation of combinations of stealth and performance capabilities of a multi-mode unmanned vehicle

#47
20230013643
2023-01-19

ATTITUDE ADJUSTMENT APPARATUS FOR SELF-PROPELLED BIO-INSPIRED ROBOTIC FISH

#48
20220334282
2022-10-20

Autonomous data acquisition system and method

#49
20220306255
2022-09-29

Hairtail-imitating high-speed soft robot driven based on chemical exergonic reaction

#50
20220274677
2022-09-01

Ultra-large marine submersible transport boats and arrangements for transportation of aqueous bulk liquids, including fresh water

#51
20220264855
2022-08-25

A CONTROL SYSTEM AND METHOD OF CONTROLLING TOWED MARINE OBJECT

#52
20220144397
2022-05-12

Buoyancy modification module for a modular underwater vehicle

#53
20220081084
2022-03-17

Submerged sailing vessel

#54
20220017195
2022-01-20

Underwater watercraft

#55
20210339837
2021-11-04

Autonomous ocean data collection

#56
20210323646
2021-10-21

Submersible drone devices and systems

#57
20210318682
2021-10-14

Systems and methods for autonomous selection and operation of combinations of stealth and performance capabilities of a multi-mode unmanned vehicle

#58
20210316856
2021-10-14

Unmanned aerial aquatic platform with battery management

#59
20210316854
2021-10-14

Submergible aerial vehicle

#60
20210309332
2021-10-07

Biomimetic robotic manta ray

#61
20210284303
2021-09-16

Energy efficient underwater inflatable array using hydrofoam and water swelling material

#62
20210214062
2021-07-15

Dynamic buoyancy control

#63
20210173110
2021-06-10

Autonomous data acquisition system and method

#64
20210163108
2021-06-03

Subsea installation method and assembly

#65
20210088687
2021-03-25

Autonomous data acquisition system and method

#66
20200398624
2020-12-24

Extended duration autonomous craft

#67
20200361791
2020-11-19

Desalination system

#68
20200361583
2020-11-19

Method for controlling the buoyancy of a submarine vehicle

#69
20200262529
2020-08-20

Mobile underwater docking system and autonomous underwater vehicle

#70
20200231263
2020-07-23

Subsea installation method and assembly

#71
20200198743
2020-06-25

Submersible drone devices and systems

#72
20200189705
2020-06-18

Underwater body having a variable volume and method for operating such an underwater body

#73
20200172216
2020-06-04

Underwater vehicle having directional effector

#74
20200130795
2020-04-30

Versatile flexible and reconfigurable vehicle systems

#75
20200039620
2020-02-06

Autonomous ocean data collection

#76
20200010164
2020-01-09

Submerged sailing vessel

#77
20190310639
2019-10-10

Systems and methods for semi-submersible launch and recovery of objects from multi-mode unmanned vehicle

#78
20190283848
2019-09-19

Method and system for launching and recovering underwater vehicles with an autonomous base

#79
20190270355
2019-09-05

Multi-modal flying airplane and underwater glider

#80
20190252592
2019-08-15

Underwater energy harvesting drone and method for operation

#81
20190226524
2019-07-25

Buoyancy-enhanced helical loop drive system

#82
20190129051
2019-05-02

Variable buoyancy control and recovery system for seismic data acquisition

#83
20190106854
2019-04-11

SYSTEMS, APPARATUSES, AND METHODS FOR REMOVING FIXED OFFSHORE PLATFORMS

#84
20190100292
2019-04-04

System for the deployment of marine payloads

#85
20190061890
2019-02-28

Submersible drone devices and systems

#86
20190047879
2019-02-14

Desalination system and method

#87
20190039427
2019-02-07

Extended duration autonomous craft

#88
20190016425
2019-01-17

Mobile underwater docking system for an underwater vehicle

#89
20180370605
2018-12-27

A ROLL-OVER FLOATING MIXED MULTI-HABITAT SUBMERSIBLE BASED ON BUILT-IN DRIVING PRINCIPLE

#90
20180346082
2018-12-06

Autonomous underwater vehicle

#91
20180339758
2018-11-29

Automatic wing control for sailing vessels

#92
20180297678
2018-10-18

Underwater vehicle

#93
20180290718
2018-10-11

Underwater watercraft

#94
20180224568
2018-08-09

METHODS AND SYSTEMS FOR DEPLOYMENT OF SEISMIC AUTONOMOUS UNDERWATER VEHICLES

#95
20180208284
2018-07-26

Self-draining oil buoyancy regulating device for underwater robots

#96
20180186438
2018-07-05

Adjusting the buoyancy of unmanned underwater vehicles

#97
20180154995
2018-06-07

Submersible drone having active ballast system

#98
20180154988
2018-06-07

Auxiliary wake ballast system

#99
20180072393
2018-03-15

Autonomous ocean data collection

#100
20180065744
2018-03-08

SUBMARINE AND FLYING AUTOMOBILE

#101
20180063429
2018-03-01

Modular camera drone

#102
20180054916
2018-02-22

Underwater data center

#103
20180001970
2018-01-04

SUBSEA CARRIER

#104
20170313396
2017-11-02

SUBMERSIBLE HAVING VARIABLE LIFT DEPENDING ON THE NAVIGATION MODE

#105
20170300054
2017-10-19

Systems and methods for payload integration and control in a multi-mode unmanned vehicle

#106
20170274970
2017-09-28

Autonomous underwater vehicle with external, deployable payload

#107
20170248722
2017-08-31

Variable buoyancy control and recovery system for seismic data acquisition

#108
20170174300
2017-06-22

Underwater modular device

#109
20170137101
2017-05-18

Multifunction thruster assembly for watercraft

#110
20170096207
2017-04-06

Underwater transport module

#111
20170027136
2017-02-02

Modular submersible aquaculture raft

#112
20160347422
2016-12-01

Transportation and installation of subsea rigid tie-in connections

#113
20160286767
2016-10-06

Modular submersible aquaculture raft

#114
20160280348
2016-09-29

Autonomous unmanned sailing vessel

#115
20160257387
2016-09-08

Controlling buoyancy of an underwater vehicle using a dual-internal-reservoir configuration to enhance efficiency of inflating and deflating an external chamber

#116
20160236761
2016-08-18

Selectively submersible vessel

#117
20160229503
2016-08-11

Underwater watercraft

#118
20160176485
2016-06-23

Autonomous underwater vehicle with external, deployable payload

#119
20160129979
2016-05-12

Transformer in-situ inspection vehicle with a cage hull

#120
20160107735
2016-04-21

Submersible and method of controlling the same

#121
20160068243
2016-03-10

Natural gas transport vessel

#122
20160068238
2016-03-10

UNDERWATER FLOATING BODY AND INSTALLATION METHOD THEREOF

#123
20160023732
2016-01-28

Subsea vessel and use

#124
20150370252
2015-12-24

Systems and methods for multi-mode unmanned vehicle mission planning and control

#125
20150336646
2015-11-26

Autonomous underwater vehicle for marine seismic surveys

#126
20150232161
2015-08-20

System for Immobilizing Small Watercraft

#127
20150225051
2015-08-13

Controlling buoyancy of an underwater vehicle using a dual-internal-reservoir configuration to enhance efficiency of inflating and deflating an external chamber

#128
20150210369
2015-07-30

Autonomous unmanned sailing vessel

#129
20150210359
2015-07-30

Submersible vessel having retractable wing and keel assemblies

#130
20150132066
2015-05-14

Subsea platform transporter (SPT)

#131
20150021919
2015-01-22

Method of controlling depth of a buoyant submersible apparatus in a fluid flow

#132
20140319076
2014-10-30

OIL SPILL RESPONSE SUBMARINE AND METHOD OF USE THEREOF

#133
20140137789
2014-05-22

INSTALLATION VEHICLE FOR A TIDAL POWER PLANT AND METHOD FOR THE OPERATION THEREOF

#134
20130287502
2013-10-31

Ballast system for floating offshore platforms

#135
20130269585
2013-10-17

Underwater moving apparatus and moving method thereof

#136
20130239870
2013-09-19

Underwater Vehicle Bouyancy System

#137
20130106105
2013-05-02

Submerged electricity generation plane with marine current-driven rotors

#138
20130083624
2013-04-04

Autonomous underwater vehicle for marine seismic surveys

#139
20130032078
2013-02-07

Sea Glider

#140
20120318188
2012-12-20

Autonomous Underwater Vehicle

#141
20120291689
2012-11-22

AUTONOMOUS SYSTEM FOR BLOWING BALLAST FROM FAST DIVE TANK OF A SUBMARINE AND METHOD OF BLOWING BALLAST

#142
20120290164
2012-11-15

Multi-role unmanned vehicle system and associated methods

#143
20120289103
2012-11-15

Unmanned Underwater Vehicle

#144
20120204775
2012-08-16

Float device

#145
20120180712
2012-07-19

SUBMERSIBLE VEHICLES AND METHODS FOR TRANSITING THE SAME IN A BODY OF LIQUID

#146
20120137949
2012-06-07

Unmanned submersible vehicles and methods for operating the same in a body of liquid

#147
20120015567
2012-01-19

Ocean thermal buoyancy and propulsion system

#148
20110297071
2011-12-08

Underwater Vehicle Bouyancy System

#149
20110232558
2011-09-29

SUBMERSIBLE VEHICLE WITH SWEPT HULL

#150
20110226176
2011-09-22

Clathrate glider with heat exchanger

#151
20110226175
2011-09-22

Submersible vehicle with swept hull

#152
20100064958
2010-03-18

WET buoyancy engine

#153
20090277370
2009-11-12

Water craft

#154
20090241826
2009-10-01

Submersible vehicles and methods for transiting the same in a body of liquid

#155
20090178603
2009-07-16

Buoyancy control systems and methods

#156
20080264323
2008-10-30

Submersible vehicle

#157
20080127878
2008-06-05

General purpose submarine having high speed surface capability

#158
20080035044
2008-02-14

MANNED SUBMERSIBLE VEHICLE

#159
20070186837
2007-08-16

Buoyancy control system

#160
20070022937
2007-02-01

Motion compensation system for under water sonar systems

#161
20060262647
2006-11-23

Expansion coefficient balancing in pressure compensation systems

#162
20060159523
2006-07-20

Underwater enclosure apparatus and method for constructing the same

#163
20060150887
2006-07-13

Multi-mode propulsion glide submarine

#164
20050166826
2005-08-04

Combination surface and submersible watercraft

#165
18525888
2024-03-26

Deep-sea crawling robot and crawling method thereof

#166
18369764
2025-03-11

Methods for operating a field configurable vehicle

#167
18369704
2025-03-25

Methods for managing buoyancy of a field configurable vehicle

#168
18310641
2023-12-05

Heave survey platform

#169
18217517
2024-09-24

Field configurable vehicle having an integral bladder

#170
17648315
2023-02-21

Differential ambient pressure powered hydraulically driven generator battery

#171
17589055
2023-06-13

Unmanned underwater vehicle having monocoque body

#172
17300036
2023-09-19

Methods of forming field configurable underwater vehicles

#173
16974048
2023-03-21

Buoyancy control module for field configurable autonomous vehicle

#174
16974041
2022-12-20

Scuttle module for field configurable vehicle

#175
16521011
2020-11-03

Automatic vehicle depth regulation system

#176
16266701
2020-10-27

Heavy water ocean thermal energy conversion method and system

#177
16202161
2020-10-27

Submersible vehicles

#178
16162191
2020-05-05

Passive ballast device, system and methods of using same

#179
16137838
2019-06-18

Combined autonomous underwater vehicle and buoy device

#180
15789050
2019-01-08

Buoyancy control system using combustion

#181
15634106
2018-09-04

Vertical recovery for an unmanned underwater vehicle

#182
15602105
2019-09-03

Ocean platform

#183
15413241
2018-06-19

Controlling buoyancy of an underwater vehicle using a dual-internal-reservoir configuration to enhance efficiency of inflating and deflating an external chamber

#184
15348357
2018-01-09

Buoyancy compensating underwater vehicle structure and method

#185
15201226
2019-04-16

Systems and methods for launching and recovering objects in aquatic environments; platforms for aquatic launch and recovery

#186
13455548
2016-07-05

Undersea energy harvesting electrical power station